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Old 09-16-2013, 07:51 AM   #1
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Please Help. Questions on Regearing

All

Thanks in advance for your help. I am a bit confused about what I should do and there seems to be a lot of different opinions on this subject. I have a 2011 JKU Sahara which I put a Teraflex Level kit on and 33" 285/70/17's on. Love the look and the lift. I drive a lot of highway/ interstate miles but occasionally take it mudding/trailing in Central Ill. Since the 33"s which actually measure 32", I have lost a lot of "pep". I have read that 3.73 's come stock. For my usage, what should I regear with? Where should I buy the kit? Wll regearing help with maintaining speed on the highway? Cruise control bouncing gears.
Thanks!
Mojo

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Old 09-16-2013, 09:10 AM   #2
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Re-gearing

I originally had a 2 1/2 inch Teraflex lift with 33's with 3.73 gears and really didn't notice that much loss in power. If you really need to regear, forget about the 4.10s. They are hard to find and when you do, they will cost you an arm and leg. Go to a 4.56. And while you are regearing, throw in some lockers so you don't have to pay again for tearing them down.

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Old 09-16-2013, 09:36 AM   #3
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Manual 410's or 456
Auto you can prob run 513 or even 538's
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Old 09-16-2013, 09:42 AM   #4
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I actually am assuming I have 3.73. I don't have a tow package so could be 3.21. What all will I need to purchase to have a regear done?
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Old 09-16-2013, 11:07 AM   #5
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Honestly, this is something not easily done. Best to have a professional do a gear change.
Cost is going to be anywhere between $1000-2500 depending on shop, area, what gears and if the carriers need replacing. If you have a d30 there's a max gear ratio before the carrier needs to be changed.
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Old 09-16-2013, 03:10 PM   #6
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You very well may have 3.21, and if that is the case it is definitely dogged.

IMO, 4.56 are a useless ratio for the 07-11 JK’s. Go 4.88 at least. That way you can run them 33’s be decently geared for 35’s.

If you are 3.21 a new carrier is needed. The gear set and master install kits. While you are there might as well armor the diffs with armored diff covers.

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Old 09-16-2013, 03:27 PM   #7
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Quote:
Originally Posted by MrMojoRising View Post
I actually am assuming I have 3.73. I don't have a tow package so could be 3.21. What all will I need to purchase to have a regear done?
1877IAMJEEP, give then your vin and request a build sheet

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